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Journal of the Korean Academy of Rehabilitation Medicine 2008;32(2):129-134.
Relationship of Language, Intelligent and Social Quotients in Children with Speech and Language Disorder.
Cho, Sung Rae , Park, Eun Sook , Park, Chang il , Kwak, Eun Hee , Kim, Mi Kyung , Min, Kyoung Hoon , Bae, Byung Woo , Park, Jin Hee
1Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Korea. genie7935@daum.net
2Rehabilitation Psychology, Rehabilitation Hospital, Korea.
말ㆍ언어 장애 아동에서 언어지수와 지능 및 사회지수의 관계
조성래, 박은숙, 박창일, 곽은희1, 김미경1, 민경훈, 배병우, 박진희
연세대학교 의과대학 재활의학교실 및 재활의학연구소, 1재활병원 재활심리실
Abstract
Objective
To investigate the relationship of language, intelligent and social quotients in children with speech and language disorder and to evaluate the clinical usefulness of language quotient for predicting the extents of cognitive and social functions.


Method
Total 139 children who visited the department of rehabilitation medicine for the evaluation of suspected speech-language delay. All children were evaluated for receptive and expressive language quotients, articulation accuracy, verbal, performance and full-scale intelligent quotients and social maturation assessment.


Results
Approximately 70% of the children who had chief complaints of speech or language disorder were diagnosed as 'receptive and expressive language developmental delay'. Intelligent and social quotients of the children with receptive and expressive language developmental delay were significantly lower than those of the other groups (p<0.05). Both receptive and expressive language quotients, but not dysarticulation, were significantly correlated with intelligent and social quotients (p<0.05). Multiple regression analysis demonstrated that the language quotients could predict intelligent and social quotients as simple equations (p<0.01).


Conclusion
Primary result of receptive and expressive language quotients from screening test of language evaluation might be able to predict cognitive function and social maturity, which also showed high-degree positive correlation with intelligent and social quotients. This result could provide a useful guideline for further developmental studies in children with speech and language disorder who received primary speech evaluation. (J Korean Acad Rehab Med 2008; 32: 129-134)

Key Words: Receptive language quotient, Expressive language quotient, Cognitive function, Social maturation, Speech- language delay


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